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BARRACUDA 4 Family
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ST15150N/ND/DC
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ST15150W/WD/WC
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Installation Guide
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2 Barracuda 4 Installation Guide, Rev. E Contents Preface .................................................................. 1 Electrostatic discharge protection ........................ 1 Important safety information and precautions ....... 2 Wichtige Sicherheitshinweise ............................... 5 Technical support services ..................................... 10 General description ................................................ 13 Initial setup information ...........................
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Barracuda 4 Installation Guide, Rev. E 1 Preface ® This manual contains information for users of Seagate ST15150N/ND/DC and ST15150W/WD/WC Barracuda™ 4 SCSI disc drives. It provides support services, perfor- mance specifications, and initial setup information. Ad- ditional information is available in the Barracuda 4 Product Manual (part number 83328880). Contact your Seagate sales representative if you need to order this publication. Electrostatic discharge protection Caution. Removal of circuit
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2 Barracuda 4 Installation Guide, Rev. E • Ground yourself to the drive whenever the drive electronics are or will be exposed. Connect yourself to ground with a wrist strap (Seagate part number 12263496). Connection may be made to any grounded metal assembly. As a general rule, remember that you and the drive electronics must all be grounded to avoid potentially damaging static discharges. • Turn off the power before removing or installing the DC power cable. • Do not remove any circuit boards f
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Barracuda 4 Installation Guide, Rev. E 3 The procedures in this manual and labels on the unit contain warnings and cautions that must be carefully read and followed to minimize or eliminate the risk of personal injury. The warnings point out conditions or practices that may endanger you or others. The cau- tions point out conditions or practices that may damage the unit, possibly making it unsafe for use. These warnings and cautions are not exhaustive. We cannot possibly know, evaluate, and advi
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4 Barracuda 4 Installation Guide, Rev. E • Wear safety shoes when removing or replacing heavy parts. • Ensure that the internal temperature of the rack or cabinet does not exceed the limits defined for the drive when the drive is mounted in an equipment rack or cabinet. When units are stacked vertically, pay attention to the top where temperatures are usually highest. • Follow the precautions listed above in “Electrostatic discharge protection.” • Do not remove any circuit boards from the drive
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Barracuda 4 Installation Guide, Rev. E 5 Seagate takes all reasonable steps to ensure that its products are certifiable to currently accepted stan- dards. Typical applications of these disc drives include customer packaging and subsystem design. Safety agencies conditionally certify component assemblies, such as the Barracuda disc drive, based on their final acceptability in the end-use product. The subsystem designers are responsible for meeting these condi- tions of acceptability in obtaining
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6 Barracuda 4 Installation Guide, Rev. E Reparaturverfahren, um den sicheren, zuverlässigen Betrieb dieser Einheit zu gewährleisten. Reparaturen dürfen nur von qualifiziertem Fachpersonal vorgenommen werden. Wir empfehlen die Verfahren in diesem Handbuch als effektive Methoden zur Wartung und Reparatur der Einheit. Einige Verfahren erfordern Spezialwerkzeuge; diese müssen zur sachgemäßen Ausführung der Wartungsarbeiten und aus Sicherheitsgründen den Empfehlungen entsprechend verwendet werden. Di
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Barracuda 4 Installation Guide, Rev. E 7 verzichtet. Falls Sie ein hier nicht beschriebenes Verfahren oder Werkzeug verwenden, stellen Sie zuerst sicher, daß das gewählte Verfahren weder Ihre persönliche Sicherheit noch die Leistung der Einheit gefährdet. Beachten Sie in jedem Fall die folgenden Warn-und Vorsichtshinweise: • Führen Sie alle Wartungsarbeiten entsprechend den Anweisungen in diesem Handbuch aus. • Beachten Sie alle Warn- und Vorsichtshinweise in diesem Handbuch. • Treffen Sie beim
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8 Barracuda 4 Installation Guide, Rev. E oberen Stapelbereich, da dort die Temperatur gewöhnlich am höchsten ist. • Befolgen Sie die oben unter “Electrostatic Discharge Protection” angegebenen Sicherheitsmaßnahmen. •Nehmen Sie keine Platinen aus dem Laufwerkgehäuse. Wenn eine Platine defekt ist, muß das gesamte Laufwerk zur Reparatur eingeschickt werden. Die Herausnahme von Platinen durch andere Personen als die für die werkseitige Reparatur zuständigen kann zu einer Beschädigung der Komponenten
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Barracuda 4 Installation Guide, Rev. E 9 Seagate ist ständig bemüht, die Zulassungsfähigkeit von Seagate-Produkten im Rahmen der gegenwärtig geltenden Standards zu gewährleisten. Zu den typischen Anwendungen dieser Festplattenwerke zählen Systemeinbau durch den Kunden und die Konstruktion von Untersystemen. Sicherheitsbehörden gewähren eine bedingte Zulassung für Komponenten wie das Barracuda-Festplattenlaufwerk vorbehaltlich der endgültigen Zulassung im Endprodukt. Designer von Untersystemen s
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10 Barracuda 4 Installation Guide, Rev. E Technical support services Seagate Technology provides technical support litera- ture and diagnostic utilities to authorized distributors. Please contact your dealer for technical support and installation troubleshooting. Product technical support is available for all Seagate products by calling the SeaFAX™, SeaFONE™, SeaTDD™, or SeaBOARD™ services. These are toll calls if you dial from outside of the number’s local dialing area. Seagate also has a forum
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Barracuda 4 Installation Guide, Rev. E 11 SeaFONE: (408) 438-8222 Technical support specialists are available 8:00 A.M. to 5:00 P.M. PST, Monday through Friday. Recorded tech- nical information for selected Seagate products is pro- vided while you are on hold. Recordings are accessible 24 hours a day, 7 days a week. SeaTDD: (408) 438-5382 TDD is a telecommunication device for the deaf where two people can communicate using a keyboard con- nected to the phone line. A TDD device is required to acc
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12 Barracuda 4 Installation Guide, Rev. E Telephone Location number USA, Mexico, Latin America (408) 438-8771 England 44-62-847-8011 Germany 49-89-140-9331 Singapore 65-292-6973 Australia 61-2-756-2359 Canada (416) 856-5581 France 33-1-40-67-1034 Korea 82-2-556-7294
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Barracuda 4 Installation Guide, Rev. E 13 General description Barracuda 4 disc drives are high-speed data storage devices. There are several models of this disc drive (see Figure 1, 2, or 3). Specifications and power require- ments for the drives are listed following the figures. The drive is a component for installation in an enclosure designed for the drive. This is often a rack within the system or an external enclosure designed to house one or more disc drives. In either case, the disc drive
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14 Barracuda 4 Installation Guide, Rev. E SCSI I/O
Connector Pin 1 J01 J5 J4 DC Power
Connector Figure 2. Barracuda 4 disc drive (W/WD) J6 J4 Figure 3. Barracuda 4 disc drive (WC/DC)
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Barracuda 4 Installation Guide, Rev. E 15 Characteristics of ST15150 drives N/ND W/WD/WC/DC 1 SCSI-2 Interface Fast Fast & Wide Capacity Unformatted 5,062 Mbytes 5,062 Mbytes 2 Formatted 4,294 Mbytes 4,294 Mbytes Recording Cylinders (user accessible) 3,711 3,711 Read/Write heads 21 21 Servo heads 1 1 Avg bytes/track 64,160 64,160 Modulation RLL 1,7 code RLL 1,7 code Synchronous SCSI rate Max burst transfer 10 Mbytes/sec 20 Mbytes/sec 3 Seek time Average read 8.0 msec 8.0 msec Average write 9.0 m
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16 Barracuda 4 Installation Guide, Rev. E DC power requirements N/W/WC ND/WD/DC 11 11 + + + + +5V + + + + +12V + + + + +5V + + + + +12V 5 2 2 Voltage regulation ± ± ± ± ± 5% ± ± ± ± ± 5% ± ± ± ± ± 5% ± ± ± ± ± 5% Amps Max operating current 1 DC 3σ 0.95 0.95 1.19 0.95 Average idle current 1, 12 DC X 0.63 0.78 0.69 0.78 Max starting current 3, 6 Peak DC 3σ 0.93 2.18 1.02 2.18 3 Peak AC 3σ – 3.10 – 3.10 Delay motor start 1, 4 Max DC 3σ 0.95 0.10 0.94 0.10 Peak operating current 1, 10 Typical DC X 0
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Barracuda 4 Installation Guide, Rev. E 17 11 Measured with average reading DC ammeter. Instanta- neous +12V current peaks will exceed these values. 12 A –10% tolerance is permissible during initial start of spindle and must return to ±5% before 7,200 RPM is reached. The ±5% must be maintained after the drive signifies that its power-up sequence has been completed and that the drive is able to accept selection by the host initiator. 13 See the +12V current profile in the Barracuda 4 Product Manua
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18 Barracuda 4 Installation Guide, Rev. E continued from previous page 19 Where power is provided to multiple drives from a com- mon supply, careful consideration for individual drive power requirements should be noted. Where multiple units are powered on simultaneously, the peak starting current must be available to each device. 10 Operating condition is defined as a third stroke seek at OD and read one track. A command is issued every 0.063 sec for N/W/WD/WC/DC drives (0.075 sec for ND drives)
